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-rw-r--r--test/Parser/cxx-template-decl.cpp82
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diff --git a/test/Parser/cxx-template-decl.cpp b/test/Parser/cxx-template-decl.cpp
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+// RUN: clang-cc -fsyntax-only -verify %s
+
+// Errors
+export class foo { }; // expected-error {{expected template}}
+template x; // expected-error {{C++ requires a type specifier for all declarations}}
+export template x; // expected-error {{expected '<' after 'template'}} \
+ // expected-note {{exported templates are unsupported}} \
+// expected-error {{C++ requires a type specifier for all declarations}}
+// See Sema::ParsedFreeStandingDeclSpec about the double diagnostic. This is
+// because ParseNonTypeTemplateParameter starts parsing a DeclSpec.
+template < ; // expected-error {{parse error}} expected-error {{declaration does not declare anything}}
+template <template X> struct Err1; // expected-error {{expected '<' after 'template'}}
+template <template <typename> > struct Err2; // expected-error {{expected 'class' before '>'}}
+template <template <typename> Foo> struct Err3; // expected-error {{expected 'class' before 'Foo'}}
+
+// Template function declarations
+template <typename T> void foo();
+template <typename T, typename U> void foo();
+
+// Template function definitions.
+template <typename T> void foo() { }
+
+// Template class (forward) declarations
+template <typename T> struct A;
+template <typename T, typename U> struct b;
+template <typename> struct C;
+template <typename, typename> struct D;
+
+// Forward declarations with default parameters?
+template <typename T = int> class X1;
+template <typename = int> class X2;
+
+// Forward declarations w/template template parameters
+template <template <typename> class T> class TTP1;
+template <template <typename> class> class TTP2;
+template <template <typename> class T = foo> class TTP3; // FIXME:expected-error{{template argument for template template parameter must be a template}}
+template <template <typename> class = foo> class TTP3; // FIXME:expected-error{{template argument for template template parameter must be a template}}
+template <template <typename X, typename Y> class T> class TTP5;
+
+// Forward declararations with non-type params
+template <int> class NTP0;
+template <int N> class NTP1;
+template <int N = 5> class NTP2;
+template <int = 10> class NTP3;
+template <unsigned int N = 12u> class NTP4;
+template <unsigned int = 12u> class NTP5;
+template <unsigned = 15u> class NTP6;
+template <typename T, T Obj> class NTP7;
+
+// Template class declarations
+template <typename T> struct A { };
+template <typename T, typename U> struct B { };
+
+// Template parameter shadowing
+template<typename T, // expected-note{{template parameter is declared here}}
+ typename T> // expected-error{{declaration of 'T' shadows template parameter}}
+ void shadow1();
+
+template<typename T> // expected-note{{template parameter is declared here}}
+void shadow2(int T); // expected-error{{declaration of 'T' shadows template parameter}}
+
+template<typename T> // expected-note{{template parameter is declared here}}
+class T { // expected-error{{declaration of 'T' shadows template parameter}}
+};
+
+template<int Size> // expected-note{{template parameter is declared here}}
+void shadow3(int Size); // expected-error{{declaration of 'Size' shadows template parameter}}
+
+// Non-type template parameters in scope
+template<int Size>
+void f(int& i) {
+ i = Size;
+ Size = i; // expected-error{{expression is not assignable}}
+}
+
+template<typename T>
+const T& min(const T&, const T&);
+
+void f2() {
+ int x;
+ A< typeof(x>1) > a;
+}
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